java.net.UnknownHostException: byon.yaml at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:175) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:384) at java.net.Socket.connect(Socket.java:546) at java.net.Socket.connect(Socket.java:495) at sun.net.NetworkClient.doConnect(NetworkClient.java:178) at sun.net.NetworkClient.openServer(NetworkClient.java:134) at sun.net.ftp.FtpClient.openServer(FtpClient.java:505) at sun.net.ftp.FtpClient.openServer(FtpClient.java:492) at sun.net.www.protocol.ftp.FtpURLConnection.connect(FtpURLConnection.java:288) at sun.net.www.protocol.ftp.FtpURLConnection.getInputStream(FtpURLConnection.java:375) at java.net.URL.openStream(URL.java:1029)